2. Функції » 888
Функцію задано формулою y = x2 + x + 1. Заповніть таблицю: y(–3) = (–3)2 + (–3) + 1 = 9 – 3 + 1 = 7. y(–2) = (–2)2 + (–2) + 1 = 4 – 2 + 1 = 3. y(–1) = (–1)2 + (–1) + 1 = 1. y(0) = 02 + 0 + 1 = 1. y(1) = 12 + 1 + 1 = 3. y(2) = 22 + 2 + 1 = 7. y(4) = 42 + 4 + 1 = 16 + 4 + 1 = 21. y(7) = 72 + 7 + 1 = 49 + 7 + 1 = 57.